| | 2022-01-31 | 2023-01-31 | 2024-01-31 | 2025-01-31 | 2026-01-31 |
| Beginning Cash Position | | 14834000000.0 | 8841000000.0 | 9935000000.0 | 9536000000.0 |
| Capital Expenditure | | -16857000000.0 | -20606000000.0 | -23783000000.0 | -26642000000.0 |
| Cash Dividends Paid | | -6114000000.0 | -6140000000.0 | -6688000000.0 | -7507000000.0 |
| Cash Flow From Continuing Financing Activities | | -17039000000.0 | -13414000000.0 | -14822000000.0 | -13553000000.0 |
| Cash Flow From Continuing Investing Activities | | -17722000000.0 | -21287000000.0 | -21379000000.0 | -26350000000.0 |
| Cash Flow From Continuing Operating Activities | | 28841000000.0 | 35726000000.0 | 36443000000.0 | 41565000000.0 |
| Change In Account Payable | | -1425000000.0 | 2515000000.0 | 3228000000.0 | 1611000000.0 |
| Change In Accrued Expense | | 4393000000.0 | -1324000000.0 | 379000000.0 | 1607000000.0 |
| Change In Income Tax Payable | | -127000000.0 | -468000000.0 | 435000000.0 | 113000000.0 |
| Change In Inventory | | -528000000.0 | 2017000000.0 | -2755000000.0 | -1443000000.0 |
| Change In Payable | | -1552000000.0 | 2047000000.0 | 3663000000.0 | 1724000000.0 |
| Change In Payables And Accrued Expense | | 2841000000.0 | 723000000.0 | 4042000000.0 | 3331000000.0 |
| Change In Receivables | | 240000000.0 | -797000000.0 | -1106000000.0 | -1136000000.0 |
| Change In Tax Payable | | -127000000.0 | -468000000.0 | 435000000.0 | 113000000.0 |
| Change In Working Capital | | 2553000000.0 | 1943000000.0 | 181000000.0 | 752000000.0 |
| Changes In Cash | | -5920000000.0 | 1025000000.0 | 242000000.0 | 1662000000.0 |
| Common Stock Dividend Paid | | -6114000000.0 | -6140000000.0 | -6688000000.0 | -7507000000.0 |
| Common Stock Payments | | -9920000000.0 | -2779000000.0 | -4494000000.0 | -8088000000.0 |
| Deferred Income Tax | | 449000000.0 | -175000000.0 | -635000000.0 | 2277000000.0 |
| Deferred Tax | | 449000000.0 | -175000000.0 | -635000000.0 | 2277000000.0 |
| Depreciation Amortization Depletion | | 10945000000.0 | 11853000000.0 | 12973000000.0 | 14203000000.0 |
| Depreciation And Amortization | | 10945000000.0 | 11853000000.0 | 12973000000.0 | 14203000000.0 |
| Effect Of Exchange Rate Changes | | -73000000.0 | 69000000.0 | -641000000.0 | 123000000.0 |
| End Cash Position | | 8841000000.0 | 9935000000.0 | 9536000000.0 | 11321000000.0 |
| Financing Cash Flow | | -17039000000.0 | -13414000000.0 | -14822000000.0 | -13553000000.0 |
| Free Cash Flow | | 11984000000.0 | 15120000000.0 | 12660000000.0 | 14923000000.0 |
| Gain Loss On Investment Securities | | 1683000000.0 | 3193000000.0 | 878000000.0 | -2016000000.0 |
| Gain Loss On Sale Of Business | 433000000.0 | 0.0 | 0.0 | | |
| Gain Loss On Sale Of PPE | 2440000000.0 | | | | |
| Income Tax Paid Supplemental Data | | 3310000000.0 | 5879000000.0 | 5884000000.0 | 5364000000.0 |
| Interest Paid Supplemental Data | | 2051000000.0 | 2519000000.0 | 2739000000.0 | 2793000000.0 |
| Investing Cash Flow | | -17722000000.0 | -21287000000.0 | -21379000000.0 | -26350000000.0 |
| Issuance Of Debt | | 5041000000.0 | 4967000000.0 | 0.0 | 3983000000.0 |
| Long Term Debt Issuance | | 5041000000.0 | 4967000000.0 | 0.0 | 3983000000.0 |
| Long Term Debt Payments | | -2689000000.0 | -4217000000.0 | -3468000000.0 | -2625000000.0 |
| Net Business Purchase And Sale | | -740000000.0 | -9000000.0 | -1896000000.0 | -53000000.0 |
| Net Common Stock Issuance | | -9920000000.0 | -2779000000.0 | -4494000000.0 | -8088000000.0 |
| Net Income From Continuing Operations | | 11292000000.0 | 16270000000.0 | 20157000000.0 | 22270000000.0 |
| Net Investment Purchase And Sale | | 0.0 | 0.0 | 4080000000.0 | 927000000.0 |
| Net Issuance Payments Of Debt | | 2318000000.0 | 1262000000.0 | -1256000000.0 | 4881000000.0 |
| Net Long Term Debt Issuance | | 2352000000.0 | 750000000.0 | -3468000000.0 | 1358000000.0 |
| Net Other Financing Charges | | -3323000000.0 | -5757000000.0 | -2384000000.0 | -2839000000.0 |
| Net Other Investing Changes | | -295000000.0 | -922000000.0 | -212000000.0 | -688000000.0 |
| Net PPEPurchase And Sale | | -16687000000.0 | -20356000000.0 | -23351000000.0 | -26536000000.0 |
| Net Short Term Debt Issuance | | -34000000.0 | 512000000.0 | 2212000000.0 | 3523000000.0 |
| Operating Cash Flow | | 28841000000.0 | 35726000000.0 | 36443000000.0 | 41565000000.0 |
| Operating Gains Losses | | 1683000000.0 | 3193000000.0 | 878000000.0 | -2016000000.0 |
| Other Cash Adjustment Outside Changein Cash | 1848000000.0 | 0.0 | 0.0 | | |
| Other Non Cash Items | | 1919000000.0 | 2642000000.0 | 2889000000.0 | 4079000000.0 |
| Pension And Employee Benefit Expense | 0.0 | | | | |
| Purchase Of Business | | -740000000.0 | -9000000.0 | -1896000000.0 | -53000000.0 |
| Purchase Of PPE | | -16857000000.0 | -20606000000.0 | -23783000000.0 | -26642000000.0 |
| Repayment Of Debt | | -2689000000.0 | -4217000000.0 | -3468000000.0 | -2625000000.0 |
| Repurchase Of Capital Stock | | -9920000000.0 | -2779000000.0 | -4494000000.0 | -8088000000.0 |
| Sale Of Business | 7935000000.0 | 0.0 | 135000000.0 | | |
| Sale Of Investment | | 0.0 | 0.0 | 4080000000.0 | 927000000.0 |
| Sale Of PPE | | 170000000.0 | 250000000.0 | 432000000.0 | 106000000.0 |